DH2015 - Track 2

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https://diglib.eg.org/handle/10.2312/14459

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A Fulldome Interactive Visitor Experience - A Novel Approach to Delivering Interactive Virtual Heritage Experiences to Group Audiences in Full Dome Projection Spaces, Evaluated Through Spatial Awareness and Emotional Response
(IEEE, 2015) Tredinnick, John; Richens, Paul; Gabriele Guidi and Roberto Scopigno and Pere Brunet
The National Trust is experimenting with the use of portable fulldome projection spaces as a means of engaging its visitors with virtual reality reconstructions of the cultural heritage it holds. To date dome technology has been used to successfully deliver non-interactive presentations to hundreds of visitors across three of its properties, however these have not made full use of the interactive elements of the game engine technology that is used to display the virtual scenes. We propose a possible approach to delivering multiplayer interactive experiences that are tailored for both the heritage audience and the fulldome medium. This is to be tested through a public engagement at Cheltenham Science Festival 2015.
X-Top - An Interactive Exhibition for Building Experience with Mini-Components of Stone Pagoda
(IEEE, 2015) Kang, Kyung-Kyu; Lee, Jihyung; Park, Chang Joon; Kim, Jae Woo; Lee, Man Hee; Gabriele Guidi and Roberto Scopigno and Pere Brunet
Stone pagodas are mysterious heritages about how to be built up and shaped stone components. X-Top is an interactive exhibition system to explore answering about the building method of a famous Korean stone pagoda. Previous digital heritage applications are difficult to give users tangible experiences. We propose an exhibition system(X-Top) to allow visitors to build up a pagoda with its miniature components. We exhibited the X-Top system on various exhibitions and can get positive feedback from visitors. Our project is still working on developing with many types of digital heritage applications.
VirtualTour: A System for Exploring Cultural Heritage Sites in an Immersive Way
(IEEE, 2015) Malomo, Luigi; Banterle, Francesco; Pingi, Paolo; Gabellone, Francesco; Scopigno, Roberto; Gabriele Guidi and Roberto Scopigno and Pere Brunet
In this paper, we propose VirtualTour. This is a virtual reality app for Apple iOS 8 (tablets, smartphones) supporting the easy and natural exploration of Cultural Heritage sites captured with 3D scanning technologies or modeled by artists. VirtualTour proposes a novel approach for exploring virtual sites by exploiting modern mobile devices (tablets or phones) and their embedded sensors. The navigation is constrained to follow a pre-defined path in the virtual space; the user can progress on the path either by manipulating a simple slider or directly walking in real-world (the device sensors detect user's steps and progress accordingly in the virtual visit). The view is rotated according to mobile device's rotation (again, using the device sensors). The main focus of this app is to provide a mobile access to hidden or inaccessible sites (e.g. caves, temples, buildings, etc), using 3D representation and breaking the usability barrier that often hinders the navigation in complex models on top of mobile devices.
Smart Devices for Intangible Cultural Heritage Fruition
(IEEE, 2015) Pozzebon, Alessandro; Calamai, Silvia; Gabriele Guidi and Roberto Scopigno and Pere Brunet
This paper proposes a novel approach to the fruition of Intangible Cultural Heritage exploiting the technical features of smart devices. In particular, it presents a framework for a ''sound tourism'', in which the perception of sites is directly transmitted by the voice of the local communities through the creation of an app model for the fruition of landscape, places, and locations by means of oral archives. That is, the app model aims at boosting the added value of Intangible Cultural Heritage (e.g. popular music, oral history, languages and accents, local tradition, and folklore) by re-using it in real application environments (e.g. for tourist purposes). The proposed solution rejects the use of a smartphone as a mere displayer of information embracing an innovative philosophy that considers the smart device as a tool for the playback of audio material stored in sound archives, leaving the user free to enjoy the site he/she is visiting without the need to interact with a screen.
Illumination Compensation for High-resolution Multispectral Image Mosaicing of Herritage Paintings
(IEEE, 2015) Duliu, Alexandru; Jakob, Vogel; Serafima, Sister; Lasser, Tobias; Navab, Nassir; Gabriele Guidi and Roberto Scopigno and Pere Brunet
When investigating artworks, having the ability to examine the reflectance spectra at every image pixel can us give insight into the materials and pigments used in its creation. Multispectral imaging is a great tool to perform this task, however, when acquiring images with a multispectral camera, in addition to the reflectance spectra, the surface interaction with the illumination is also captured. This hampers quantitative measurements of the surface. We introduce a novel multispectral imaging system and illumination compensation approach, that mitigates the influence of illumination on image formation. We showcase the performance of our system by producing highresolution multispectral mosaic images (low or high dynamic range) of artworks dated from the beginning of the XIX-th century, to the present day.
The Application of Service Orientation on a Mobile AR Platform - A Museum Scenario
(IEEE, 2015) Rattanarungrot, Sasithorn; White, Martin; Jackson, Ben; Gabriele Guidi and Roberto Scopigno and Pere Brunet
Mobile augmented reality has become an influential tool for digital content representation in terms of enhancing users' experience and improving the adaptability and usability of augmented reality applications. In our research, we have developed a service oriented mobile AR architecture for multiple applications, such as a museum interactive or web app. Our solution enhances closed platform mobile AR applications to create more flexible mobile AR clients that efficiently support content acquisition and utilization of third party digital media contents on a real scene. Our example web service framework on a mobile AR client exploits specific museum (e.g. Victoria and Albert Museum) or third party APIs (e.g. Google Maps) to aggregate data from participating web service providers. A typical media API content request is sent to a content provider to obtain a targeted cultural object's associated media contents such as 3D models, images, text, videos and metadata. Acquired contents are then visualized in both VR and AR environments and consumed by mobile users. Other examples of supporting modules include photogrammetry based 3D reconstructions based on available commercial or open source web services and personalization that allow a user to request rich media, e.g. 3D models, and associated metadata, of a targeted cultural object for exploiting in a 'saved museum exhibition'.
Color and Hyperspectral Image Segmentation for Historical Documents
(IEEE, 2015) Ciortan, Irina Mihaela; Deborah, Hilda; George, Sony; Hardeberg, Jon Yngve; Gabriele Guidi and Roberto Scopigno and Pere Brunet
Several historical documents from the collection of the National Library of Oslo were acquired using a hyperspectral scanner. While each of the documents has its specific characteristics, requiring different image preprocessing steps, the common goal for all documents is to increase their legibility. The aim of this study is to show the advantage of hyperspectral imaging compared to traditional color imaging, in particular for the task of ink separation using distance-based classification method.
Engaging and Shared Gesture-based Interaction for Museums - The Case Study of K2R International Expo in Rome
(IEEE, 2015) Fanini, Bruno; D'Annibale, Enzo; Demetrescu, Emanuel; Pagano, Alfonsina; Ferdani, Daniele; Gabriele Guidi and Roberto Scopigno and Pere Brunet
This paper presents a full life-cycle production and standardized workflow to deploy a shared and engaging gesturebased experience within a museum, connecting two different natural interaction applications. The research presented in this paper is specifically focused on Admotum and Holoint, two gesture-based applications developed for the V-Must.net in occasion of ''Keys to Rome'' international exhibition on Roman Culture. The workflow described here includes 3D content production, application design, development and integration within flexible museum setups, together with evaluation activities to explore more on the user's' educational benefits and the potential of such collaborative museum experience.
Development of a Low-Cost Application of Virtual Reality for the Promotion of Cultural Heritage
(IEEE, 2015) Esclapés, Javier; Tejerina, Daniel; Martín, Alejandro; Fabregat, Laia; Gabriele Guidi and Roberto Scopigno and Pere Brunet
This paper shows the state of a research about cultural heritage whose main purpose is to allow the user to move virtually to any place of cultural or architectonic interest that, either for economic or accessibility reasons, is very difficult or impossible to visit.
The Lion's Gate and the Persian Wall in Byblos - Opening the Doors of Digital Representation to the Cultural Heritage of a Resilient City in Lebanon
(IEEE, 2015) Garagnani, Simone; Bravo, Luisa; Madrigal, José Manuel Pagés; Gabriele Guidi and Roberto Scopigno and Pere Brunet
Byblos, modern Jbeil, is a northern Lebanese city considered as one of the oldest continuously inhabited cities since Neolithic times, designated as a UNESCO World Heritage site in 1984. Thus, the archaeological area, strictly surrounded by city boundaries, is the result of several civilizations that came over the centuries producing many layers of architectural buildings now in precarious state of conservation. The recent nomination of Byblos as one of the ''100 Resilient Cities'', a project pioneered by the Rockefeller Foundation, fostered some new intents aimed at the preservation of the urban space and the archaeological site. In order to support a possible valorization strategy, the Lion's Gate at the Persian Wall has been chosen as a case study to experiment how digital photogrammetric modeling of meaningful remains can improve dissemination of cultural legacy to remote visitors and transfer knowledge to town planners. This paper presents the preliminary research, which is supposed to be integrated by some more detailed surveys in the near future, in order to populate a shared web repository in which scholars, tourists and planners will find useful information on the archaeological park.
Virtual Museums and Audience Studies, the Case of ''Keys To Rome'' Exhibition
(IEEE, 2015) Pagano, Alfonsina; Armone, Giulia; Sanctis, Elisabetta De; Gabriele Guidi and Roberto Scopigno and Pere Brunet
In this paper we present an overview of two audience studies aimed at identifying museum visitors' attitudes, behaviours and expectations. In the framework of VMUST. NET an interactive exhibition, named ''Keys To Rome'', has been organized within the Imperial Fora Museum, Rome. Permanent collection has been integrated with a digital itinerary using computer graphics movies, natural interaction installations, multimedia supports and mobile applications. The evaluation of the audience feedback allowed us to study and justify some interaction choices and communication paradigms made so to enhance the user experience and enabling a fruitful discussion around virtual museums dissemination into cultural heritage environments. What came out is the need for technology to remain invisible and grant a cross-referencing visit path in a continuous parallelism between real objects and their digital copies.
A Hand-held 3D-Printed Box Projector - Study for a Souvenir from a Mixed-Reality Experience
(IEEE, 2015) Rossi, Daniele; Gabriele Guidi and Roberto Scopigno and Pere Brunet
The most recent developments in digital technology have given rise to an increasingly close, articulate, and profitable contamination between reality and virtuality, creating a completely new mixed-reality experience in which enjoying cultural goods becomes mediated by technology and translated into something technological. The memory of a mixed-reality event usually ends with the simple audio-visual recording of the event, which is later shared privately or on social networks. Our aim is to illustrate a quick, low-cost procedure to create portable reproductions of spatial augmented reality experienced in urban spaces. The idea of the souvenir grows out of a desire to connect the memory of a site-specific cultural exhibit to the architectural heritage that frames it and serves as a background. We define the technical/operational framework for realizing a hand-held 3D-printed box projector based on the use of a smartphone and Pepper's ghost effect.
A Location-Based Augmented Reality System for the Spatial Interaction with Historical Datasets
(IEEE, 2015) Pacheco, Daniel; Wierenga, Sytse; Omedas, Pedro; Knoch, Habbo; Billib, Stephanie; Wilbricht, Stefan; Verschure, Paul; Gabriele Guidi and Roberto Scopigno and Pere Brunet
The key role that space and spatial organization of content play in memory has been taken very little into account in the design of human-data interaction systems. Here, we present a location based Augmented Reality application for the exploration and visualization of historical files, which is based on the argument that the embodied interaction with content by moving in the real, physical space will enhance its recollection from memory and comprehension. Our software architecture integrates a historical 3D reconstruction with geo referenced historical documents, as well as specific guidance components for narrative generation. All content of the application database is spatialized and can be navigated in a completely free/exploratory mode or in a passive/guided mode. We present the results of an experiment comparing spatial memory performance in the two modes. Our data confirms previous findings in the spatial navigation literature, suggesting that active exploration of an environment leads to a better spatial understanding of it.
Travelling Through Space and Time in Lisbon's Religious Buildings
(IEEE, 2015) Gouveia, João; Branco, Fernando; Rodrigues, Armanda; Correia, Nuno; Gabriele Guidi and Roberto Scopigno and Pere Brunet
Project Lx Conventos aims to study, in a systematic and integrated manner, the impact of the dissolution of religious orders in the dynamics of urban transformation in nineteenth century Lisbon. After the liberal revolution and the civil war, in the 19th century, the dissolution of religious orders led to the alienation, in Lisbon, of nearly 130 religious buildings which were then given profane occupations (mainly public services) or demolished and divided in plots, originating new urban realities. Project Lx Conventos thus aims to show that the extinction of the convents was decisive in the urban development of Lisbon, in the eighteen hundreds. The project stands on a large set of multimedia data which includes historic and contemporary cartography and geo-referenced photos, videos and 3D models, provided by the projects partners, Lisbon Municipality and the Portuguese National Archive, Torre do Tombo. Supported by these materials, the project's team is creating an online system that will implement a spatial and temporal navigation of these resources integrated in an interactive Map of Lisbon. Besides spatially locating and analyzing the data available for each of the religious buildings considered in the project, the tool integrates cutting edge interaction technology for: 1) Enabling a temporal voyage over the available traces of religious buildings; 2) Analyzing the evolution of religious buildings and their surroundings, through available data; 3) Using 3D representations of the buildings for accessing related data, through time. In this paper, the tools developed in the context of Lx Conventos are described, as well as the technologies supporting them. The current status of the system is presented and future developments are proposed.
Using a Gaming Software for Historical Road and Path Research
(IEEE, 2015) Vletter, Willem; Gabriele Guidi and Roberto Scopigno and Pere Brunet
In this paper we present the potential of Unity, a widely available video game engine, for historical roads research. This case study makes use of roads and paths extracted from Airborne Laser Scan (ALS) data of the Leitha hills in Austria, together with a Digital Terain Model (DTM) based on the same ALS data. Adding a time component creates a 4-D model.
Improved Appearance Rendering for Photogrammetrically Acquired 3D Models
(IEEE, 2015) Berrier, Seth; Tetzlaff, Michael; Ludwig, Michael; Meyer, Gary; Gabriele Guidi and Roberto Scopigno and Pere Brunet
In this paper we present a technique for significantly improved rendering of objects scanned using photogrammetry techniques. We demonstrate the connection between photogrammetry and the unstructured lumigraph, a surface light field representation and rendering algorithm. We use our lumigraph rendering software to demonstrate improved results from photographically acquired cultural heritage artifacts. We discuss our improvements to the rendering of unstructured lumigraphs on modern hardware and offer this rendering tool as free, open source software.
Digital Panorama
(IEEE, 2015) Borra, Davide; Gabriele Guidi and Roberto Scopigno and Pere Brunet
In 1787 it was Robert Barker to invent the term Panorama, still used to today all over the world to determine a large view, up until 360 degrees. His show has traveled European cities and the American new frontier, letting visitors enter into far painted cities or ancient history episodes. The Cinema Museum, in the movies archaeology section, digitally proposes the same experience. A small cylindrical cave houses the Digital Panorama, a semi-immersive environment, which creates visual and audio panoramas and back in time journeys into Turin cinema history. The visual-tactile interface design is of note because it has been designed to be equally available both by blind and seeing people, as for the Cinema Museum philosophy a museum for all. This paper illustrates the project critical points, the choices operated during the operating process and the interface reviews.
The Etruscans and the Afterlife - An Engaging Exhibition with Accurate Scientific, Technological and Communicative Requirements
(IEEE, 2015) Guidazzoli, Antonella; Imboden, Silvano; Luca, Daniele De; Liguori, Maria Chiara; Verri, Luigi; Bellavia, Giovanni; Russo, Alfonsina; Lucia, Maria Anna De; Cosentino, Rita; Gabriele Guidi and Roberto Scopigno and Pere Brunet
The communication of museums, with the aim to engage and attract a wider audience, is undergoing a radical change, seeking in ICT a help. The joint exhibition ''The Etruscans and the Afterlife'', hosted by the National Etruscan Museum of Villa Giulia and the Museum of the History of Bologna - Genus Bononiae - presents a strong commitment towards a renewed communicational effort of this kind, merging a traditional display of archaeological findings and spectacular technological applications. The paper presents the three digital applications developed by VisitLab Cineca for the exhibition: a projection show combining 3D architectural mapping, with 10 coordinated projectors, and a holographic projection of the Sarcophagus of the Spouses; the holographic projection of the bronze vase called ''Situla della Certosa''; a Computer Graphics short movie, ''Ati at the discovery of Veii''.
Interactive Experiences in the Stedelijk Museum, A Living Lab Experiment with the CHESS Framework
(IEEE, 2015) Vayanou, Maria; Katifori, Akrivi; Kourtis, Vassilis; Bomers, Erna; Jong, Niels de; Gabriele Guidi and Roberto Scopigno and Pere Brunet
This paper reports on a small-scale experiment conducted in the Stedelijk Museum Amsterdam (SMA), showcasing the effective use of CHESS research prototype for the creation and provision of personalized interactive museum experiences and highlighting the main results reached.
Heritage Move. A Natural and Lightweight Navigation Schema for Low-Cost, Non-Stationary Immersive Virtual Environments
(IEEE, 2015) Olbrich, Manuel; Keil, Jens; Makiela, Thomas; Gabriele Guidi and Roberto Scopigno and Pere Brunet
Experiencing 3D models of historical reconstructions and places is still an active issue considering the wide variety of displaying and interaction devices for immersive Virtual Reality. Moreover, as standards are missing, the sheer endless possibilities to map e.g. gestural input and other input reads to particular needs in navigation and selection, leave an open field of finding the right balance between functionality, usability (especially in an exhibition context), and user experience. In our paper we focus on creating a low-cost, fully immersive and nonstationary Virtual Reality setup, based on novel HMD and sensing devices that allow users to intuitively experience such virtual environments. Our approach enables users to freely walk around inside the virtual space, while keeping them physically inside a limited interaction and sensing space. Our contribution addresses challenges of balancing between system mobility and tracking, freedom of interaction, limited physical spaces and immersion. The goal is to keep position and interaction tracking and display technologies economically and technically affordable for the use in the museum context.

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